diff --git a/.github/workflows/notebooks-check_ubuntu.yml b/.github/workflows/notebooks-check_ubuntu.yml
index 83cec23..222685e 100644
--- a/.github/workflows/notebooks-check_ubuntu.yml
+++ b/.github/workflows/notebooks-check_ubuntu.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.12"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/notebooks-check_windows.yml b/.github/workflows/notebooks-check_windows.yml
index c46c0a6..c260e18 100644
--- a/.github/workflows/notebooks-check_windows.yml
+++ b/.github/workflows/notebooks-check_windows.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/notebooks-checks_mac-os.yml b/.github/workflows/notebooks-checks_mac-os.yml
index 8784c12..5a0aaec 100644
--- a/.github/workflows/notebooks-checks_mac-os.yml
+++ b/.github/workflows/notebooks-checks_mac-os.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: macOS-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.11"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}